chimpanzee vs simian

chimpanzee

noun
  • Pan troglodytes, a species of great ape in the genus Pan, native to Africa, and believed by biologists to be the closest extant relative to humans along with the bonobo. 

  • A member of the genus Pan, including the bonobo which is also known as the pygmy chimpanzee. 

simian

noun
  • An ape or monkey, especially an anthropoid. 

adj
  • Bearing resemblance to an ape. 

  • Of or pertaining to apes; apelike. 

How often have the words chimpanzee and simian occurred in a corpus of books? (source: Google Ngram Viewer )